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import uuid
import time
import azure.cosmos.exceptions as exceptions
from azure.cosmos.http_constants import StatusCodes
class Worker(object):
def __init__(self, client, database_name, collection_name):
self.client = client
self.document_collection_link = "dbs/" + database_name + "/colls/" + collection_name
def run_loop_async(self, documents_to_insert):
iteration_count = 0
latency = []
while iteration_count < documents_to_insert:
document = {'id': str(uuid.uuid4())}
iteration_count += 1
start = int(round(time.time() * 1000))
self.client.CreateItem(self.document_collection_link, document)
end = int(round(time.time() * 1000))
latency.append(end - start)
latency = sorted(latency)
p50_index = int(len(latency) / 2)
print("Inserted %d documents at %s with p50 %d ms" %
(documents_to_insert,
self.client.WriteEndpoint,
latency[p50_index]))
return document
def read_all_async(self, expected_number_of_documents):
while True:
total_item_read = 0
query_iterable = self.client.ReadItems(self.document_collection_link)
it = iter(query_iterable)
doc = next(it, None)
while doc:
total_item_read += 1
doc = next(it, None)
if total_item_read < expected_number_of_documents:
print("Total item read %d from %s is less than %d, retrying reads" %
(total_item_read,
self.client.WriteEndpoint,
expected_number_of_documents))
time.sleep(1)
continue
else:
print("Read %d items from %s" % (total_item_read, self.client.ReadEndpoint))
break
def delete_all_async(self):
query_iterable = self.client.ReadItems(self.document_collection_link)
it = iter(query_iterable)
doc = next(it, None)
while doc:
try:
self.client.DeleteItem(doc['_self'], {'partitionKey': doc['id']})
except exceptions.CosmosResourceNotFoundError:
raise
except exceptions.CosmosHttpResponseError as e:
print("Error occurred while deleting document from %s" % self.client.WriteEndpoint)
doc = next(it, None)
print("Deleted all documents from region %s" % self.client.WriteEndpoint)
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